69 lines
1.3 KiB
C++
69 lines
1.3 KiB
C++
/*
|
|
* IUNKNOWN.CPP
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
#include <windows.h>
|
|
|
|
#include <hidclass.h>
|
|
#include <hidsdi.h>
|
|
|
|
#include <ole2.h>
|
|
#include <ole2ver.h>
|
|
|
|
#include "..\inc\opos.h"
|
|
#include "oposctrl.h"
|
|
|
|
|
|
STDMETHODIMP_(ULONG) COPOSControl::AddRef(void)
|
|
{
|
|
return ++m_refCount;
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) COPOSControl::Release(void)
|
|
{
|
|
ULONG result; // need sepate variable in case we free
|
|
|
|
if (--m_refCount == 0){
|
|
delete this;
|
|
result = 0;
|
|
}
|
|
else {
|
|
result = m_refCount;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
STDMETHODIMP COPOSControl::QueryInterface(REFIID riid, LPVOID FAR* ppvObj)
|
|
{
|
|
HRESULT result;
|
|
|
|
if (IsEqualIID(riid, IID_IUnknown) ||
|
|
IsEqualIID(riid, IID_OPOS_GENERIC_CONTROL) ||
|
|
IsEqualIID(riid, IID_IClassFactory)){
|
|
|
|
*ppvObj = this;
|
|
this->AddRef();
|
|
result = NOERROR;
|
|
|
|
// BUGBUG REMOVE
|
|
if (IsEqualIID(riid, IID_IUnknown)) Report("QueryInterface Got IID_IUnknown", 0);
|
|
else if (IsEqualIID(riid, IID_OPOS_GENERIC_CONTROL)) Report("QueryInterface Got IID_OPOS_GENERIC_CONTROL", 0);
|
|
else if (IsEqualIID(riid, IID_IClassFactory)) Report("QueryInterface Got IID_IClassFactory", 0);
|
|
else ASSERT(0);
|
|
}
|
|
else {
|
|
result = ResultFromScode(E_NOINTERFACE);
|
|
Report("QueryInterface FAILED", (DWORD)result);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|